The default read-only implementation of ClientId.
The default read-only implementation of ClientId. You typically should not need to directly reference this class; instead, use the ClientId.apply method to construct new instances.
This Proxy trait allows you to extend the ClientId trait with additional state or behavior and implement the read-only methods from ClientId using an underlying instance.
Field information in declaration order.
Checks that all required fields are non-null.
Checks that the struct is a valid as a new instance.
Checks that the struct is a valid as a new instance. If there are any missing required or construction required fields, return a non-empty list.
At connection time, we can let the server know who we are so they can book keep and optionally reject unknown clients.